Fujimura Ryushi

フジムラリュウシ | Fujimura Ryushi

Affiliation and department：
Job title： Associate Professor
Homepage URL (2)： http://www.oe.utsunomiya-u.ac.jp/fujimura/index.html , http://www.oe.utsunomiya-u.ac.jp/fujimura/en/index.html

Research field (2)： Optical engineering and photonics , Nanomaterials

Research keywords (11)： Plasmonics , ホログラム記録材料 , フォトリフラクティブ効果 , ホログラフィックメモリー , 情報光学 , 材料工学 , Holographic materials , Photorefractive effect , Holographic data storage , Information Photonics , Materials Science

Research theme for competitive and other funds (11)：

2021 - 2024 ピクセル間クロストークを利用した位相検出法における信号符号化方式の研究
2015 - 2017 Investigation of photo-thermal deformation process in semi-shell nanostructures for developing dynamic plasmonic devices
2014 - 2017 The measurements and analysis of local temperature in nanometer-sized region and the fabrication of photo-thermal metamaterials
2011 - 2015 Development of high sensitive holographic recording materials based on wide-bandgap semiconductor
2009 - 2010 Study of photorefractive memory using gallium nitride crystals

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Papers (46)：

Soki Hirayama, Ryushi Fujimura, Yoshito Y. Tanaka, Tsutomu Shimura. Π-shaped pixel pattern for shift multiplexing surface holograms in holographic data storage. Optics Express. 2024. 32. 24. 42184-42184
Takuya Nonaka, Soki Hirayama, Tsutomu Shimura, Ryushi Fujimura. The Designed Phase Mask for Suppressing the Inter-Pixel Crosstalk Noise in Intensity-Modulated Multilevel Holographic Data Storage Systems. Photonics. 2024. 11. 6. 507-507
Kishin Matsumori, Ryushi Fujimura, Markus Retsch. Electromagnetically Induced Absorption Overcomes the Upper Limit of Light Absorption: Dipole-Dipole Coupling with Phase Retardation in Plasmonic-Dielectric Dimers. The Journal of Physical Chemistry C. 2023
Michito Tokoro, Ryushi Fujimura. Improvement in Signal Phase Detection Using Deep Learning with Parallel Fully Connected Layers. Photonics. 2023. 10. 9. 1006-1006
Kishin Matsumori, Ryushi Fujimura, Markus Retsch. Coupling Strength and Total Damping Govern Electromagnetically Induced Absorption in Coupled Plasmonic Systems. ADVANCED PHOTONICS RESEARCH. 2023. 4. 6

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MISC (13)：

藤村隆史, 所理登. 機械学習を利用した位相多値信号のシングルショット検出-Single-shot detection of multi-level phase-modulated signals using machine learning-特集注目のAIオプティクス. Optronics : 光技術コーディネートジャーナル. 2023. 42. 4. 172-177
藤村隆史, 所理登. Single-shot detection of multi-level phase-modulated signals using machine learning. Optronics. 2023. 496
「タサイナハッテンオトゲルホログラフィ」トクシュウゴウ. 2022. 50. 11. 627-632
藤村隆史, 藤村隆史. Suppression and Utilization of Inter-Pixel Crosstalk Noise in Holographic Data Storage Systems. レーザー研究. 2022. 50. 11
藤村隆史, 所理登. ピクセル間クロストークを利用した位相多値信号のシングルショット検出-特集ホログラムメモリーの現状とその展望. 光技術コンタクト = Optical and electro-optical engineering contact. 2021. 59. 2. 51-57

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Patents (8)：

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Books (2)：

Holograms - Recording Materials and Applications
InTech - Open Access Publisher 2011 ISBN:9789533079813
「ホログラフィックメモリーのシステムと材料」共著第3章5節「2色書き込み不揮発性フォトリフラクティブ結晶」pp.159-175
シーエムシー出版 2006 ISBN:9784882315612

Lectures and oral presentations (212)：

Numerical investigation of the storage density in multi-valued holographic data storage systems
(Photonics WEST 2023 2023)
Suppression and utilization of inter-pixel crosstalk noise in holographic data storage systems
(International Workshop on Optics, Biology, and Related Technologies (IWOB2022-2023) 2022)
Iterative Phase Determination Method using Pixel Spread Function
(International Workshop on Holography and related technologies (IWH2021) 2022)
Single shot detection of phase-modulated signals by using inter-pixel crosstalk
(Photonics West 2022 2022)
Readout Characteristics of a Multi-Level Intensity Signal with a Designed Phase Pattern
(Optics & Photonics Japan講演予稿集(CD-ROM) 2022)

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Education (6)：

- 2003 The University of Tokyo
- 2003 The University of Tokyo Graduate School, Division of Engineering Department of Applied Physics
- 2001 The University of Tokyo
- 2001 The University of Tokyo Graduate School, Division of Engineering Department of Applied Physics
- 1999 Tokyo Institute of Technology School of Science

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Professional career (2)：

Doctor of Engineering (The University of Tokyo)
博士(工学) (東京大学)

Work history (6)：

2022/10 - 現在 The University of Tokyo Institute of Industrial Science
2015/04 - 現在 Utsunomiya University Graduate school of Engineering Associate professor
2014/04 - 2015/03 Utsunomiya University Center for Optical Research and Education Associate professor
2012/02 - 2014/03 Tokyo Institute of Technology Interdisciplinary Graduate School of Science and Engineering Assistant Professor
2007 - ~ 東京大学生産技術研究所助教

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Committee career (11)：

2023/04 - 現在一般社団法人日本光学会情報フォトニクス研究グループ幹事
2022 - 現在一般社団法人日本光学会 Optical Review 編集委員
2006/04 - 現在ボリュームホログラフィックメモリー技術研究グループ実行委員
2017/04 - 2019/03 一般社団法人日本光学会運営委員(国際担当)
2017/04 - 2019/03 公益社団法人応用物理学会フォトニクス分科会幹事総務

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Awards (4)：

2021/03 - 一般社団法人日本光学会AIOptics研究グループ AI Optics 優秀発表賞機械学習を利用した複数画素同時位相検出法
2019/10 - International Symposium on Imaging, Sensing, and Optical Memory 2019 Poster Award Single Shot Detection of Phase Encoded Signal by Using Deep Learning
2011/11 - International Workshop on Holography and Related Technologies Best Presentation Award Readout tolerance for change of medium volume in polychromatic reconstruction method
2007 - 第21回応用物理学会講演奨励賞 (応用物理学会)

Association Membership(s) (4)：

米国光学会 , 日本光学会 , 応用物理学会 , SPIE

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